Cut Sheet

Commercial Products
Switch and Outlet BOxeS and cOverS
Visit our website at www.appletonelec.com or contact us at [phone].
© February 2015
1412
NEC/CEC:
UL Standard: 514A
UL Listed: E2527
NEMA: OS-1
Round Boxes and Covers
Depth
(inches)
Wiring Cubic
Inch Capacity
Clamp
Type
Knockout Description
Weight per 100
kg (lb)
Catalog
NumberSides Ends Bottom
3-1/4" Round Boxes - with Nonmetallic Sheathed Cable Clamps 
1/2 4.5 CL-9 — —
(3)1∕2”
(4)21∕32”
13.15
(29.0)
510LC
(36115)
1/2" Deep
1/2 4.5 — — —
(3)1∕2”
(4)21∕32”
21.77
(48.0)
510L 
1/2" Deep
3-1/4" Round Covers - For 3-1/4" Octagon and Round Boxes 
Flat 0.0 — Blank
7.71
(17.0)
8301A
(24C1)
Flat 0.0 — 1∕2”KO
7.71
(17.0)
8320
(24C6)
4" Round Box - with Knockouts in Bottom 
1/2 6.0 — — — (5)1∕2”
16.33
(36.0)
4CL
(56111)
1/2" Deep
 Not UL Listed.
 2-3/4” Cover Hole Centerline.
 3-1/2” Cover Hole Centerline.